<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
  <form action="/upload" method="post" enctype="multipart/form-data">
      <input type="text" name="username">
      <input type="file" name="file">
      <input type="submit">
  </form>
  <a href="/download?filename=2b960467-95ec-48e1-9a32-4fee1164b5f3--1.jpg">下载</a>
</body>
</html>